Vlasovite and Bustamite Physical Properties

Vlasovite

Bustamite

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Nearly insoluble in HCl and HNO₃

Partly soluble in HCl.

1.3 Durability

Not Available

1.4 Specific Gravity

2.973.32-3.43

1 7.18

1.5 Fracture

Conchoidal, Brittle

ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009)

1.6 Cleavage

Distinct on {010}

{100} perfect; {110} and {1 1 0} good; {010} poor

1.7 Mohs Hardness

65.5-6

2 10

1.8 Chemical Composition

Not Available

(Ca,Mn2+ )Si 3O 9Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Vlasovite and Bustamite Chemical Formula

While comparing Vlasovite and Bustamite physical properties, the important data you should know is its chemical composition. Since chemical formula defines the molecular structure of the crystal, most of the physical properties like color, tenacity, solubility are governed by Vlasovite and Bustamite chemical formula.

Chemical formula of Bustamite- (Ca,Mn2+ )Si 3O 9Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Vlasovite and Bustamite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Vlasovite and Bustamite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Vlasovite and Bustamite Optical Properties during the identification of gemstone. Specific gravity of Vlasovite is 3.32-3.43 whereas that of Bustamite is 3.32-3.43.